Spiro[bicyclo[2.2.1]heptane-2,4'-[1,3]dioxane], 1,7,7-trimethyl-2'-(1-methylethyl)-, (1R,2S,2'S,4R)-

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:

toxicity to aquatic algae and cyanobacteria

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2002

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2002

Report date:

2002

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 201 (Alga, Growth Inhibition Test)

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

443-460-1

EC Name:

-

Cas Number:

188199-50-0

Molecular formula:

C16H28O2

IUPAC Name:

(1R,2S,2'S,4R)-1,7,7-Trimethylbicyclo (2.2.1)heptane-2-spiro-4'-(2'-isopropyl-1',3'-dioxane)

Sampling and analysis

Analytical monitoring:

yes

Test solutions

Vehicle:

yes

Test organisms

Test organisms (species):

Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)

Study design

Test type:

static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

96 h

Results and discussion

Effect concentrations

Duration:

96 h

Dose descriptor:

EC50

Effect conc.:

> 0.3 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

growth rate

Applicant's summary and conclusion

Validity criteria fulfilled:

yes